document.write( "Question 495015: PLEASE HELP! I CANNOT FIGURE OUT NOR UNDERSTAND HOW TO DO THIS PROBLEM.\r
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document.write( "Keiths Florists has 16 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. Of these 16 trucks, 8 have brake problems. A sample of 6 trucks is randomly selected. What is the probability that 2 of those tested have defective brakes? (Round your answer to 4 decimal places.) \n" );
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Algebra.Com's Answer #335911 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Keiths Florists has 16 delivery trucks, used mainly to deliver flowers and flower arrangements in the Greenville, South Carolina, area. \n" ); document.write( "Of these 16 trucks, 8 have brake problems. \n" ); document.write( "A sample of 6 trucks is randomly selected. \n" ); document.write( "What is the probability that 2 of those tested have defective brakes? \n" ); document.write( "----------------------- \n" ); document.write( "----- \n" ); document.write( "Binomial Problem with n = 6 and p(defective) = 8/16 = 1/2 \n" ); document.write( "-------------- \n" ); document.write( "P(x = 2) = 6C2(1/2)^2(1/2)^4 = 15(1/64) = 15/64 = 0.2344 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |